% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 1

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7 inventors (with patents filed for the assignee):

Masakatsu Okawa (1 out of 20 patents)

Syuji Iwata (1 out of 1 patent)

Tsuguo Yamaoka (1 out of 1 patent)

4. Kunihiro Ichimura (1 out of 22 patents)

5. Junichi Kawanobe (1 out of 1 patent)

6. Chieko Hotta (1 out of 1 patent)

7. Eri Nagabuchi (1 out of 1 patent)

8. Daisaku Murakami Co Ltd Adachi (0 patent)

9. Tomoyuki Murakami Co Ltd Morita (0 patent)

10. Junichi Murakami Co Ltd Kawanobe (0 patent)

11. Kazuo Murakami Co Ltd Inoue (0 patent)

2 patents: Sort by Forward Citations

#4,361 in Tokyo

#11,124 in Japan

Murakami Co., Ltd.

Forward Citations = 1

7 inventors:

Masakatsu Okawa (1 out of 20 patents)

Syuji Iwata (1 out of 1 patent)

Tsuguo Yamaoka (1 out of 1 patent)

4. Kunihiro Ichimura (1 out of 22 patents)

5. Junichi Kawanobe (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Murakami Co., Ltd.. Retrieved from https://idiyas.com/company/murakami-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]